Finding the Fourth Proportional to 146,483.04, 202,122.68 and 85,242.95
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Solution
The fourth proportional to 146,483.04, 202,122.68 and 85,242.95 is: 117,621.35
Step by Step Solution
- Step 1: Write the proportion equation
146,483.04 : 202,122.68 = 85,242.95 : x - Step 2: Convert to fraction form
146,483.04/202,122.68 = 85,242.95/x - Step 3: Cross multiply
146,483.04x = 202,122.68 × 85,242.95 - Step 4: Simplify right side
146,483.04x = 17,229,533,505.11 - Step 5: Solve for x
x = 17,229,533,505.11/146,483.04 - Step 6: Final answer
x = 117,621.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.